Unresolvable Identifier

arXiv:2604.22144 · detector doi_compliance · cross_source · 2026-05-20 00:14:07.107728+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1051/0004-6361:20066736' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.

Paper page Integrity report arXiv Try DOI

Evidence text

Reegen, P., 2007, A&A, 467, 1353–1371, doi:10.1051/0004-6361:20066736

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1051/0004-6361:20066736",
  "raw_excerpt": "Reegen, P., 2007, A&A, 467, 1353\u20131371, doi:10.1051/0004-6361:20066736",
  "ref_index": 34,
  "verdict_class": "cross_source"
}